Hydraulic press.



WARNER H.1CAMP, OF ATLANTAfGEORGIA.

HYDRAULIC PRESS.

Specification of LettersPatent.

Patented Apr. 15, 1913.

Application filed October 21,1912. SerialNo. 727,030..

To all whom it may concern Be it knownthat I,.WARN R H. CAMP, a citizenof the United States,residing at Atlanta, in the county of FultonandState of Georgia, have invented new and useful T mprovements inHydraulic Presses, of WVlllCh the following is a specification.

My present inventionrelates to improve ments in presses and moreespecially to those of the type used for expressing oil from cottonseed, and the primary object of the invention is to provide a press boxand cooperating guides of improved construction which are capable ofsustaining the out ward thrust due it) the tendency of the cot ton seedcake under compression to spread and squeeze outwardly, the guides beingconnected to the flangeswhich project outwardly from the lower edges ofthe sides of the press box and henceat points belowthe surface thereofwhich sustains the axial pressure of the cake, and the guides abuttingagainst the posts of the press, spreading and consequently distortion orbreakage of the sides of the pressbox being avoided and thus enablinghigher compression and more thorough extraction to be attained.

Another object ofthe invention is to pros vide the press box withiguideshaving lugs shaped and arranged to fit and abut against the innerdiagonally opposed sides of the posts of the press whereby not onlydothe press posts sustain the outward thrustwhich tends tospread andthereby distort or break the sides of the press box, butthe location andarrangement of the lugs; on the guides relatively to the posts of thepress is such that the guides willjnot bind or become wedged against thepost althoughthe guides may become tilted.

Further objects of the invention are to provide means for detachablysecuring the press plates to the press box whereby the plates maybeiquickly and easily removed andreplaoed, and to provide, means fordetachably connecting the press box. to its guides whereby a press boxmay be quickly and easily removed and replaced without the necessity ofremoving the guides or disturb ing the remaining press boxes. a

To these and otheriends, the, invention consists in certainimprovements, and com binations and arrangements of parts, all as will,be hereinafter more: fully descrlbed, the

cation.

novel features being. pointed out particularly in theclaims at the endof the specifi- In the accompanying drawing :-Figure 1 is aperspectiveview of a press equipped with pressboxcs and guidesconstructed. in. accordance with the present invention; Fig. 2 is adetail perspective view of one of the improvedpress boxes showing theguides and thepress plate attached thereto; Fig.

dis a top plan view of one of thepress boxeswith its press plate andguides. and.

showing the cooperative relation between the 011K165 and the posts ofthe press; Fig.

4 is a detail sectional viewishowing means for detachably connecting thepress box to its guides and for removably securing the. press plate tothe press box; and Fig. 5

shows two of the press boxes in cooperative.

relation and illustrating diagrammatically the stresses imposed on thesides of the press compression.

,box while the material therein is under Similar, parts aredesignated bythe same reference characters in the severalviewsa.

The present invention is applicable gene orally to presses of varioustypes, although cotton seed.

The preferred embodiment of the invenit is especially applicable topresses of the type employed lnthe expressing of oil from tion is shownin the accompanyingdrawing. and w ll be hereinafter iClGSCIlbGd indetail, but it 1s to be understood that the invention is not restrictedto the particular constructlon shown, as equlvalcnt constructions may beused and are included wlthm the terms of the claims at the end of thespecification.

The press shown in the present. instance comprises, as usual, ahydraulic cylinder15,

a table Gto receive and collect the expressed oil, a cap 7 a ram orplunger ,8 which operates in the hydraulic cylinder 5 and is operative.by the hydraulic pressure in. said cylinder, and the posts 9 whichrigidly COD: nect the cap 7 and thehydraulic cylinder.

Four posts are usually employed and they its uppenand lower surfaces,sides 12. de-

ny suitable number of 14 and 15 which are riveted together in anysuitable way and are formed with longitudinally extending channels orbores 16 which receive the expressed oil from the vertical "bores 17which-extend downwardly from the 'top surface ofthe upper section 14. In

order to enable the press plates to be quickly and easily removed andreplaced relatively to the press boxes, each press plate is re-f movablysecured to its respective press box," each corner of the press plate inthe present instance being formed with a recess 18', a-

stud 19 is fastened in each corresponding cornergof the press box, and aclamping member 20 is provided at each ,corner'of the press box, on endof the clamping member being adapted to enter the recess in therespective corner of the press plate,

and a nut 21011 the stud serves to draw the clamping member down andthus secure the press plate firmly on the press box.

These studs and clamping members are ac commodated on the ends of thepress box which are extended beyond the ends of the press plate.Thepress plate on-one press box fits in the space betweenthe sides12 ofthe pressbox immediately above it, and by arranging the clamping membersat the ends o'f'the press box and'beyond the respec' tive-ends of thepress plate, these clamping members'do not interfere with the entranceof each press plate into the mediately above it. -In practice, a cake ofthe cotton seed. or other material to be treated is introduced betweenthe top of each press plate, .thehead 11, and the sides 12 of the pressbox next above it, and when'the ram 01' plunger of the press operates.in the usual way, the vertical or axial'compression of-the cake ofmaterial tends to spread the cake of ma ,terial laterally orhorizontally, thereby pro-,

ducing a considerable outward pressure against the sides 12 of eachpress box. In using press boxes as heretofore constructed,

this outward thrust upon the. sides of the press box has resulted indistorting or breaking the press box and thus renderingthe press boxunfit for further use, it being es sential that each press plate'shouldfit accurately between the sides of the pressbox ,next above it in orderto properly confine.

the cake when subjected to pressure- The press box provided by thepresent invention is capable of withstanding the lateral thrustimposedup'on-it due to'the spreading'tend ,ency of the cake ormaterialunder pressure,

with a longitudinal channel 23 which engagesthe outer edge and a portionofthe bottom of the respective out-turned flange in the presentinstance, these guides ceobviously,

press box imwedged on the'posts irrespective of whether 5 the lateralthrust upon -the sides of the press box being sustained by the rigidposts of the press through the medium of guides which cording to thepresent invention, a pair of guides 22 are fitted to the out-turnedlongitudinally extending flanges 13 of the press box, the guides. beingpreferably .connected to the press box by devices which enable any plateto bereadily disconnected from its guides and removed from: the presswithout disturbing the remaining press boxes, In the present instance,each guide is. formed 1 v 13, and a suitable number of "rivets 24- maybe secured to the out-turnedfianges 13 and equipped with nuts 25 toclampthe guides to the respectiveflanges of the press box. The guidesabut against the posts of the press to sustain or withstandthespreading. tendency of the sides o-f the press box,.and

operate with the posts of the press in such a manner that they will" notbind or'become wedged thereon irrespective of whether the press boxesbecome tilted; To obtain these results, .the ends of the guides areformed with seats 26 which are shaped to conform to the curvature of theposts, andthese seats I are adapted to abut against the inner diagonallyopposed sides of the posts, the engagement of these seats with the innersides of the posts causing ,the rigid posts to resist outward expan ion.or spreading tendency of the sides 0 the'press box, and

these 1 seats will not become the press box becomes tiltedeither transversely orlongitudinally. 'lhcouter sides of the guides are providedwithslots 27in receive the bolts 28 which connect, thead jacent pressboxes and retainth'em inproper of these flanges are unobstructed andhence maybe readily scraped or otherwise cleaned of accumulations.

What I claim is 1. .A press: box having a support for a press plate,sides depending ffro-m the sup port, and abutments connectedto the lowerportions of said sides to sustain forces tend- I ing to spread themoutwardly.

2. A press box having-a support {for a. i

press plate, sides extendingvdovvnwarjdly from opposite edgesthereof andadapted to confine between them theimaterial to be treated, and meansconnected tothe lower edges of said sides for sustaining theoutvardforces exerted on said. sides by the compression of said material.

3. A press box having'ya support for a press plate, sides extendingdownwardly from the support, and out-turned flanges at the lower edgesof said sides.

4. A press box having a support for a press plate, sides extendingdownwardly therefrom, out-turned flanges connected 'to the lowerport-ions. of said sides, and guides attached to said flanges and havingabutment seats arranged to cooperate with the inner diagonally opposedsides of the posts of a press.

5. A press box having a support for a press plate, sides extendingdownwardly therefrom, out-turned flanges connected to the lower portionsofsaid sides, guides fittingthe respective flanges, and means: fordetachably securing the guides to said flanges.

6. The combination of a press box, a press plate restingthereon, anddevices cooperative with the eornersof the press plate for removablysecuring the same to the press box.

7. The combination of a press having, posts, and a set of press boxes,each having, vertical, sides with flanges extending out- \vardly fromtheir free edges, said flanges being provided with abutment seatseooperative with the inner diagonally opposed sides of said posts.

8. The combination of a press having, posts, a set of press boxes, eachbox having vertical sides provided with flanges extend- 4O ing'outwardly from their free edges, guides attached to the outwardlyextending flanges of the boxes and having abutment seats cooperativewith the posts of the press, the guides having open slots in their outeredges, bolts cooperative with the slots of adjacent guides, and devicesfor retaining the bolts in said slots,

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

WARNER H. CAMP.

WVitnesses:

H. RQEIOHBERG, T. I'IHCAWIIERN.

Copies of, this patent may be obtained for five cents each, byaddressing the Commissioner of Patents;

Washington, D. G.

